Materials engineering topic list of research papers
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Fatigue of Steam Turbine Blades With Damage on the Leading Edge
Abstract This study is concerned with the assessment of the fatigue life of cracked steam turbine blades which operate under cyclic loading conditions. The turbine blades fatigue life estimation approach includes numerical stress-strain analysis of...
2014 / V.N. Shlyannikov, R.R. Yarullin, A.P. Zakharov -
Mechanical and Electrochemical Evaluation of Organic Inhibitors Effect on Mild Steel Damage by Hydrogen
Abstract Hydrogen penetration into the bulk of steel is a risk during the whole process of the manufacturing of steel product. Hydrogen accumulation in the material structure can induce the adverse changes in mechanical/metallurgical properties,...
2014 / L. Diblíková, V. Jeníček, P. Hradec, M. Valeš, P. Szelag -
Effects of Artificial Aging and Precipitation on Tensile Mechanical Properties and Failure Mechanism of the Friction Stir Processed Dual-phase Mg-Li Alloy
Abstract The present study is to clarify the artificial aging and texture effects on tensile mechanical properties and failure behaviors of the a/B dual- phase Mg-8.5Li-2.8Al-1.1Zn (LAZ931) alloy through the friction stir process (FSP). It is noted...
2014 / Chung-Wei Yang, Yu-Wen Chen -
Transient Optical Phenomenon in Ferrofluids
Abstract In this paper, we report the experimental observation of diffraction patterns in a ferrofluid comprising of Fe3O4 nanoparticles in hexane by a 10 mW He-Ne laser beam. An external dc magnetic field (∼1.7kG) was applied perpendicular to the...
2014 / Chintamani Pai, M. Shalini, S. Radha -
Proof of Concept Test of a Centrifugal Particle Receiver
Abstract As a proof of concept a Centrifugal Particle Receiver (CentRec) prototype in laboratory scale (∼10 kWth) was designed, built and tested in the High-Flux Solar Simulator in Cologne, Germany. Since they can be heated up to 1000°C without...
2014 / W. Wu, L. Amsbeck, R. Buck, R. Uhlig, R. Ritz-Paal -
Low Cycle Fatigue Behaviour of API 5L X65 Pipeline Steel at Room Temperature
Abstract In this study, the low-cycle fatigue (LCF) behaviour of API 5L X65 pipeline steel was investigated under fully-reversed strain- controlled conditions at room temperature. The companion test method was used to obtain the cyclic stress-strain ...
2014 / Olusegun Fatoba, Robert Akid -
The Influence of Hydrogen Flux on Crack Initiation in Martensitic Steels
Abstract Understanding hydrogen transport and trapping phenomena is a key feature to revisit the hydrogen embrittlement (HE) models proposed in the literature. Both aspects can be affected by stress-strain states at different microstructural scales. ...
2014 / D. Guedes, A. Oudriss, S. Cohendoz, J. Creus, J. Bouhattate, et al. -
Review of the Status of Reconfigurable Manufacturing Systems (RMS) Application in South Africa Mining Machinery Industries
Abstract Reconfigurable Manufacturing Systems (RMS) has been used extensively in different industries and companies to produce modularized, customized, flexible and scalable products. Due to the variations in the mining equipment users demand,...
2014 / O.A. Makinde, K. Mpofu, A.P.I. Popoola -
Study of Personnel Monitoring and Counting in Single Channel based on RFID Technology
Abstract In previous studies, the parameters of most personnel tracking and counting were obtained by artificial statistics and image processing, these two ways may be both complicated and time consuming. In this paper, we apply the RFID technology...
2014 / Lei Chen, Wei-guo Song, Fei-zhou Huo -
Sustainability Analysis of Grinding with Power Tools
Abstract Grinding with power tools includes precision applications, such as polishing and engraving, but also high-performance applications such as cut-off grinding and deburring in foundries or construction. There is a growing demand for power...
2014 / Kyle Odum, Maria Celeste Castillo, Jayanti Das, Barbara Linke -
Characterization of microstructure, toughness, and chemical composition of friction-welded joints of UNS S32205 duplex stainless steel2014 / Puthuparambil Madhavan Ajith, Paulraj Sathiya, Sivanandam Aravindan
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Influence of Fe2O3 on the physical, structural and electrical properties of sodium lead borate glasses2014 / Safeya Ibrahim, Mohamed Mahmoud Gomaa, Hussein Darwish
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Pulmonary protein and DNA delivery2014 / David Bradley
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Reduced-scale Experimental Research on Fires in Tunnels with Natural Ventilation
Abstract The 1/15 reduced-scale experiments were conducted using the Froude number conservation to investigate smoke diffusion characteristics in tunnel fires with natural ventilation. The effects of some factors such as: heat release rate, shaft...
2013 / Zhongyuan Yuan, Bo Lei, Ahmed Kashef -
A CAD Package for Modeling and Simulation of PV Arrays under Partial Shading Conditions
Abstract A computer-aided design CAD package, with a graphical user interface (GUI), to aid the design and analysis of two- dimensional photovoltaic (PV) arrays under partial shading conditions is presented. The package uses a variant of the...
2013 / Nader Anani, M. Shahid, Omar Al-kharji, Joao Ponciano -
Nonlinear Flatness Control Applied to Supercapacitors Contribution in Hybrid Power Systems Using Photovoltaic Source and Batteries
Abstract For a stand-alone application, and to demonstrate role of supercapacitors as a transient power source, a nonlinear control st ategy based on the flatness approach is applied to manage energy flows in two systems: the first includes a...
2014 / M. Benaouadj, A. Aboubou, M.Y. Ayad, M. Becherif -
Performance Evaluation of Hybrid Photovoltaic-wind Power Systems
Abstract This paper presents experimental results from the operation of a test bench constituted of a PV-Wind hybrid system. This device includes photovoltaic (PV) and wind subsystems, battery energy storage, load and a hybrid system, controller for ...
2014 / R. Maouedj, A. Mammeri, M.D. Draou, B. Benyoucef -
Step-by-step quantitative analysis of focal adhesions
Abstract Focal adhesions (FAs) are specialized adhesive structures which serve as cellular communication units between cells and the surrounding extracellular matrix. FAs are involved in signal transduction and actin cytoskeleton organization. FAs...
2014 / Utku Horzum, Berrin Ozdil, Devrim Pesen-Okvur -
Simulation of nitrogen diffusion in Ni vis-à-vis Fe – Identification of better structural material for neutron detectors
Abstract Inconel 600, a Ni-based alloy was considered as a possible replacement for austenitic stainless steels for service at high temperatures in nitrogen containing atmosphere of the neutron detector. To obtain a fundamental understanding of the...
2014 / T.N. Prasanthi, C. Sudha, S. Saroja, M. Vijayalakshmi -
A Numerical Investigation on the Response of Load Relieving Notches Subjected to Shock Wave Loading
Abstract Hydrocode simulations were conducted to analyze the non-linear response of 1100-O aluminum plates with semi-circular notches. Plates with constant notch depth and notch root radius were loaded (normal to the notch-tip plane) to the same...
2013 / C. Williams, D. Scheffler, W. Walters